28642945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1049}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 35481600

約数和(自身を除く): 6838655

約数列:

[1, 5, 43, 127, 215, 635, 1049, 5245, 5461, 27305, 45107, 133223, 225535, 666115, 5728589, 28642945]

約数ペア:

[(1, 28642945), (5, 5728589), (43, 666115), (127, 225535), (215, 133223), (635, 45107), (1049, 27305), (5245, 5461)]